JPS53143287A - Photoelectric smoke detector - Google Patents

Photoelectric smoke detector

Info

Publication number
JPS53143287A
JPS53143287A JP5798377A JP5798377A JPS53143287A JP S53143287 A JPS53143287 A JP S53143287A JP 5798377 A JP5798377 A JP 5798377A JP 5798377 A JP5798377 A JP 5798377A JP S53143287 A JPS53143287 A JP S53143287A
Authority
JP
Japan
Prior art keywords
smoke detector
photoelectric smoke
photoelectric
detector
smoke
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP5798377A
Other languages
Japanese (ja)
Inventor
Tetsuo Kimura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nittan Co Ltd
Original Assignee
Nittan Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nittan Co Ltd filed Critical Nittan Co Ltd
Priority to JP5798377A priority Critical patent/JPS53143287A/en
Publication of JPS53143287A publication Critical patent/JPS53143287A/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
JP5798377A 1977-05-19 1977-05-19 Photoelectric smoke detector Pending JPS53143287A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5798377A JPS53143287A (en) 1977-05-19 1977-05-19 Photoelectric smoke detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5798377A JPS53143287A (en) 1977-05-19 1977-05-19 Photoelectric smoke detector

Publications (1)

Publication Number Publication Date
JPS53143287A true JPS53143287A (en) 1978-12-13

Family

ID=13071238

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5798377A Pending JPS53143287A (en) 1977-05-19 1977-05-19 Photoelectric smoke detector

Country Status (1)

Country Link
JP (1) JPS53143287A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56100343A (en) * 1980-01-14 1981-08-12 Matsushita Electric Works Ltd Photoelectric type smoke sensor
JPS6053047U (en) * 1983-09-20 1985-04-13 ホーチキ株式会社 Smoke detectors
JPS6151U (en) * 1985-05-17 1986-01-06 京セラ株式会社 Photoelectric smoke detection alarm device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4946989A (en) * 1972-09-11 1974-05-07
JPS5230485A (en) * 1975-09-04 1977-03-08 Matsushita Electric Works Ltd Detector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4946989A (en) * 1972-09-11 1974-05-07
JPS5230485A (en) * 1975-09-04 1977-03-08 Matsushita Electric Works Ltd Detector

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56100343A (en) * 1980-01-14 1981-08-12 Matsushita Electric Works Ltd Photoelectric type smoke sensor
JPS6337338B2 (en) * 1980-01-14 1988-07-25 Matsushita Electric Works Ltd
JPS6053047U (en) * 1983-09-20 1985-04-13 ホーチキ株式会社 Smoke detectors
JPS6151U (en) * 1985-05-17 1986-01-06 京セラ株式会社 Photoelectric smoke detection alarm device
JPS6123785Y2 (en) * 1985-05-17 1986-07-16

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